TIDA-010024

Secured 6LoWPAN mesh end-node with enhanced network capacity reference design

TIDA-010024

Design files

Overview

This reference design implements an RF mesh network end node with DTLS security for smart meter Advanced Metering Infrastructure (AMI) networks. The network is an IPv6 over low-power wireless personal area networks (6LoWPAN) solution. The design implements this network in a single CC1312R SimpleLink™ Wireless MCU to enhanceperformance and minimize system cost. The complete 6LoWPAN mesh network runs on top of the TI-15.4 stack based on IEEE 802.15.4e/g protocols and implements an un-slotted channel hopping (USCH) mode to provide protection against network interference. Network capacity is improved and the security is enhanced compared to TIDA-010003 end node design with the inclusion of larger neighbor and routing tables that optimize packet routing decisions.

Features
  • IPv6 networking over low-power RF in the <1GHz ISM bands
  • Implements mesh network protocols of 6LoWPAN, RPL, IPv6/ICMPv6, UDP and DTLS
  • Implements TI-15.4 stack with IEEE 802.15.4e based frequency hopping and MAC data encryption
  • Software layer architecture identical to Wi-SUN FAN v1.0
  • Adds DTLS security, larger neighbor and routing tables to TIDA-010003 simple 6LoWPAN mesh end node improves network performance reference design
  • Supports low-power mode configuration for the battery-powered end nodes
Important note

This reference design contains example software for implementing 6LoWPAN networks based on the Contiki-OS RTOS. This example implementation included the uIP TCP/IP stack, identified to be potentially vulnerable outlined in the following advisory: Amnesia open-source TCP/IP stack vulnerabilities (AMNESIA:33)

Due to the legacy nature of this example software, this reference design is considered OBSOLETE, and as such there is no plan to update it at this time. It is recommended that TI customers who referenced example software that included Contiki-OS evaluate the recommendations provided by the ICS Advisory and either:

  1. Ensure to take appropriate actions to mitigate these potential vulnerabilities in Contiki-OS, or
  2. Move to Contiki-NG 4.6.

Design files & products

Design files

Download ready-to-use system files to speed your design process.

TIDUEF7A.PDF (3115 K)

Reference design overview and verified performance test data

TIDRXD4.PDF (637 K)

Detailed schematic diagram for design layout and components

TIDRXD5.PDF (42 K)

Complete listing of design components, reference designators, and manufacturers/part numbers

TIDRXD6.PDF (506 K)

Detailed overview of design layout for component placement

TIDRXD8.ZIP (2453 K)

Files used for 3D models or 2D drawings of IC components

TIDCEY3.ZIP (742 K)

Design file that contains information on physical board layer of design PCB

TIDRXD7.PDF (5465 K)

PCB layer plot file used for generating PCB design layout

Products

Includes TI products in the design and potential alternatives.

Arm-based microcontrollers

TM4C1294NCPDT32-bit Arm Cortex-M4F based MCU with 120-MHZ, 1-MB flash, 256-KB RAM, USB, ENET MAC+PHY ;

Data sheet document-pdfAcrobat PDF
Direction-controlled voltage translators

SN74AVC4T2454-Bit Dual-Supply Bus Transceiver with Configurable Voltage-Level Shifting and 3-State Outputs

Data sheet document-pdfAcrobat PDF open-in-new HTML
ESD & surge protection ICs

TPD6E0046 channel 1.6-pF, 5.5-V, 8-kV ESD protection diode for High Speed Interfaces

Data sheet document-pdfAcrobat PDF open-in-new HTML
Linear & low-dropout (LDO) regulators

TPS7961-A, low-dropout voltage regulator with enable

Data sheet document-pdfAcrobat PDF open-in-new HTML
Shunt voltage references

LM4040Fixed voltage, 45-µA, precision micropower shunt voltage reference

Data sheet document-pdfAcrobat PDF open-in-new HTML
Wi-SUN products

CC1312RSimpleLink™ 32-bit Arm Cortex-M4F Sub-1 GHz wireless MCU with 352kB Flash

Data sheet document-pdfAcrobat PDF open-in-new HTML

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Software

Support software

TIDA-010024 Software (Rev. A) – TIDCEY4A.ZIP (9951 K)

Technical documentation

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Type Title Date
* Design guide Secured 6LoWPAN mesh end-node with enhanced network capacity reference design (Rev. A) Mar. 06, 2019
More literature RF mesh networking offers system performance and interoperability Nov. 01, 2018

Related design resources

Hardware development

DEVELOPMENT KIT
LAUNCHXL-CC1312R1 SimpleLink™ Sub-1 GHz CC1312R Wireless Microcontroller (MCU) LaunchPad™ Development Kit

Software development

SOFTWARE DEVELOPMENT KIT (SDK)
SIMPLELINK-CC13X2-26X2-SDK SimpleLink™ CC13x2 and CC26x2 software development kit (SDK)

Reference designs

REFERENCE DESIGN
TIDA-010003 Simple 6LoWPAN mesh end-node improves network performance reference design TIDA-010032 Universal data concentrator reference design supporting Ethernet, 6LoWPAN RF mesh and more

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